From 11b1b8c633a3f1f04decb76c5ea49050ad8931ee Mon Sep 17 00:00:00 2001
From: Robin Avery <robin@ribbanya.dev>
Date: Sun, 6 Jun 2021 07:18:08 -0400
Subject: [PATCH] Add serialization support via SkinnableInfo

---
 osu.Game/Extensions/DrawableExtensions.cs  | 1 +
 osu.Game/Screens/Play/HUD/SkinnableInfo.cs | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/osu.Game/Extensions/DrawableExtensions.cs b/osu.Game/Extensions/DrawableExtensions.cs
index febad0d739..d8c627ea8e 100644
--- a/osu.Game/Extensions/DrawableExtensions.cs
+++ b/osu.Game/Extensions/DrawableExtensions.cs
@@ -60,6 +60,7 @@ namespace osu.Game.Extensions
             component.Scale = info.Scale;
             component.Anchor = info.Anchor;
             component.Origin = info.Origin;
+            component.IsUsingClosestAnchor().Value = !info.IsNotUsingClosestAnchor;
 
             if (component is Container container)
             {
diff --git a/osu.Game/Screens/Play/HUD/SkinnableInfo.cs b/osu.Game/Screens/Play/HUD/SkinnableInfo.cs
index e08044b14c..3e829f6d38 100644
--- a/osu.Game/Screens/Play/HUD/SkinnableInfo.cs
+++ b/osu.Game/Screens/Play/HUD/SkinnableInfo.cs
@@ -32,6 +32,13 @@ namespace osu.Game.Screens.Play.HUD
 
         public Anchor Origin { get; set; }
 
+        /// <summary>
+        /// <see langword="false"/> if this <see cref="ISkinnableDrawable"/>'s <see cref="Drawable.Anchor"/> is
+        /// automatically determined by proximity, <see langword="true"/> if the user has overridden it.
+        /// </summary>
+        /// <remarks>Stored this way because <c>default(bool)</c> is <see langword="false"/> and we want the default behaviour to be "closest".</remarks>
+        public bool IsNotUsingClosestAnchor { get; set; }
+
         public List<SkinnableInfo> Children { get; } = new List<SkinnableInfo>();
 
         [JsonConstructor]
@@ -52,6 +59,7 @@ namespace osu.Game.Screens.Play.HUD
             Scale = component.Scale;
             Anchor = component.Anchor;
             Origin = component.Origin;
+            IsNotUsingClosestAnchor = !component.IsUsingClosestAnchor().Value;
 
             if (component is Container<Drawable> container)
             {